Am 24.07.19 um 08:32 schrieb zhoucm1:
>
>
> On 2019年07月24日 03:20, Lionel Landwerlin wrote:
>> On 23/07/2019 17:21, Chunming Zhou wrote:
>>> user space needs a flexiable query ability.
>>> So that umd can get last signaled or submitted point.
>>> v2:
>>> add sanitizer checking.
>>>
>>> Change-Id: I6512b430524ebabe715e602a2bf5abb0a7e780ea
>>> Signed-off-by: Chunming Zhou <david1.zhou@xxxxxxx>
>>> Cc: Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx>
>>> Cc: Christian König <Christian.Koenig@xxxxxxx>
>>
>> Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx>
>
> Thanks.
> Which branch should this patch go to?
> Is it OK to push to amd-staging-drm-next?
> Or should it go to drm-misc?
> If drm-misc, I need your help to push it since I have no permission to
> write.
drm-misc-next is probably more appropriated.
I'm going to take of that, but first let me push my fix now.
Christian.
>
> -David
>>
>>> ---
>>> drivers/gpu/drm/drm_syncobj.c | 34 ++++++++++++++++++++--------------
>>> include/uapi/drm/drm.h | 3 ++-
>>> 2 files changed, 22 insertions(+), 15 deletions(-)
>>>
>>> diff --git a/drivers/gpu/drm/drm_syncobj.c
>>> b/drivers/gpu/drm/drm_syncobj.c
>>> index 3d400905100b..3fc8f66ada68 100644
>>> --- a/drivers/gpu/drm/drm_syncobj.c
>>> +++ b/drivers/gpu/drm/drm_syncobj.c
>>> @@ -1197,7 +1197,7 @@ drm_syncobj_timeline_signal_ioctl(struct
>>> drm_device *dev, void *data,
>>> if (!drm_core_check_feature(dev, DRIVER_SYNCOBJ_TIMELINE))
>>> return -EOPNOTSUPP;
>>> - if (args->pad != 0)
>>> + if (args->flags != 0)
>>> return -EINVAL;
>>> if (args->count_handles == 0)
>>> @@ -1268,7 +1268,7 @@ int drm_syncobj_query_ioctl(struct drm_device
>>> *dev, void *data,
>>> if (!drm_core_check_feature(dev, DRIVER_SYNCOBJ_TIMELINE))
>>> return -EOPNOTSUPP;
>>> - if (args->pad != 0)
>>> + if (args->flags & ~DRM_SYNCOBJ_QUERY_FLAGS_LAST_SUBMITTED)
>>> return -EINVAL;
>>> if (args->count_handles == 0)
>>> @@ -1291,23 +1291,29 @@ int drm_syncobj_query_ioctl(struct
>>> drm_device *dev, void *data,
>>> if (chain) {
>>> struct dma_fence *iter, *last_signaled = NULL;
>>> - dma_fence_chain_for_each(iter, fence) {
>>> - if (!iter)
>>> - break;
>>> - dma_fence_put(last_signaled);
>>> - last_signaled = dma_fence_get(iter);
>>> - if (!to_dma_fence_chain(last_signaled)->prev_seqno)
>>> - /* It is most likely that timeline has
>>> - * unorder points. */
>>> - break;
>>> + if (args->flags &
>>> + DRM_SYNCOBJ_QUERY_FLAGS_LAST_SUBMITTED) {
>>> + point = fence->seqno;
>>> + } else {
>>> + dma_fence_chain_for_each(iter, fence) {
>>> + if (!iter)
>>> + break;
>>> + dma_fence_put(last_signaled);
>>> + last_signaled = dma_fence_get(iter);
>>> + if
>>> (!to_dma_fence_chain(last_signaled)->prev_seqno)
>>> + /* It is most likely that timeline has
>>> + * unorder points. */
>>> + break;
>>> + }
>>> + point = dma_fence_is_signaled(last_signaled) ?
>>> + last_signaled->seqno :
>>> + to_dma_fence_chain(last_signaled)->prev_seqno;
>>> }
>>> - point = dma_fence_is_signaled(last_signaled) ?
>>> - last_signaled->seqno :
>>> - to_dma_fence_chain(last_signaled)->prev_seqno;
>>> dma_fence_put(last_signaled);
>>> } else {
>>> point = 0;
>>> }
>>> + dma_fence_put(fence);
>>> ret = copy_to_user(&points[i], &point, sizeof(uint64_t));
>>> ret = ret ? -EFAULT : 0;
>>> if (ret)
>>> diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h
>>> index 661d73f9a919..fd987ce24d9f 100644
>>> --- a/include/uapi/drm/drm.h
>>> +++ b/include/uapi/drm/drm.h
>>> @@ -777,11 +777,12 @@ struct drm_syncobj_array {
>>> __u32 pad;
>>> };
>>> +#define DRM_SYNCOBJ_QUERY_FLAGS_LAST_SUBMITTED (1 << 0) /* last
>>> available point on timeline syncobj */
>>> struct drm_syncobj_timeline_array {
>>> __u64 handles;
>>> __u64 points;
>>> __u32 count_handles;
>>> - __u32 pad;
>>> + __u32 flags;
>>> };
>>
>>
>
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel
